toltecavsmaya toltecavsmaya

01-04-2015
Mathematics

contestada

If (−3.5, y) is a solution to the equation 2x − 5y = 10, what is the value of y?

a) -3.4
b) 13.75
c) -0.6
d) -3.75

Respuesta :

Panoyin Panoyin

02-04-2015

2x - 5y = 10
2(-3.5) - 5y = 10
-7 - 5y = 10
+7 +7
     -5y = 17
      -5    -5
      y = -3.4
The value of y is equal to A. -3.4.

Answer Link

Otras preguntas

Which of the following statements is not true?"Whom" can serve as the object of a preposition."Whom" is an object pronoun."Who" and "whom" are personal pronouns

What is larger 0.6 or 3/4 explain?

I'm inside the path I'm a difference of two numbers outside the paths what number am I

what are two determining factors in how organisms are classified into kingdoms

If the diameter of a circle is half of a yard, then its radius is how many inches?

The cost of living last year went up 7%. Fortunately, Alice Swanson got a 7% raise in her salary from last year. This year she's earning $42,805. How much did s

how many 5/8 pound bags does it take to make 13 pounds of soil?

Estimate 46/6,725, then find the quotient.

what is the proper or common noun in this sentence?The picture below is of the snow Festival in Sapporo.

What features of colonial politics in 18th century America contributed to the development of popular democracy, and what kept political life from being more tru